常見例句雙語例句Heat stress reduced the conception rate in gilts (Pbut did not influence the sows.熱應(yīng)激降低了初產(chǎn)母豬受胎率（P＜0．05），而對經(jīng)產(chǎn)母豬無影響；She found that young women in Denmark have a significantly lower natural conception rate than in past decades.她發(fā)現(xiàn)，丹麥的年輕婦女的自然受孕率比過去的數(shù)十年要很明顯地低。'When a cow is in heat, she's more active, ' he says. 'If we can record those things, we can greatly improve the conception rate of cows. '他說，“奶牛發(fā)情的時候就會更為主動，如果能記錄下它們當(dāng)時的行為特點，我們就能顯著地提高奶牛的受孕比率。” 返回 conception rate